motherboard with 8 pcie x16 slots: pcie slots x16 - default. HP Z840 Workstation 2x E5-2630 V3 Eight Core 2.4Ghz .... pcie-slots-x16.
Thông số kỹ thuật HP Z840 Workstation ;
Expansion Slots, PCIe Gen3 x16, 1 PCIe Gen2 x4
slot/x16 connector, 1 PCIe Gen2 x1 slot/x4 connector, 1 PCIe Gen2 x1 slot, ...